96 	BIGNUM	 *k = NULL, *r = NULL, *order = NULL, *X = NULL;  in ecdsa_sign_setup()  local
120 	order = BN_new();  in ecdsa_sign_setup()
122 	if (!k || !r || !order || !X)  in ecdsa_sign_setup()
132 	if (!EC_GROUP_get_order(group, order, ctx))  in ecdsa_sign_setup()
146 					k, order,  in ecdsa_sign_setup()
158 				if (!BN_rand_range(k, order))  in ecdsa_sign_setup()
171 		if (!BN_add(k, k, order)) goto err;  in ecdsa_sign_setup()
172 		if (BN_num_bits(k) <= BN_num_bits(order))  in ecdsa_sign_setup()
173 			if (!BN_add(k, k, order)) goto err;  in ecdsa_sign_setup()
201 		if (!BN_nnmod(r, X, order, ctx))  in ecdsa_sign_setup()
210 	if (!BN_mod_inverse(k, k, order, ctx))  in ecdsa_sign_setup()
232 	if (order != NULL)  in ecdsa_sign_setup()
233 		BN_free(order);  in ecdsa_sign_setup()
246 	BIGNUM *kinv=NULL, *s, *m=NULL,*tmp=NULL,*order=NULL;  in ecdsa_do_sign()  local
272 	if ((ctx = BN_CTX_new()) == NULL || (order = BN_new()) == NULL ||  in ecdsa_do_sign()
279 	if (!EC_GROUP_get_order(group, order, ctx))  in ecdsa_do_sign()
284 	i = BN_num_bits(order);  in ecdsa_do_sign()
322 		if (!BN_mod_mul(tmp, priv_key, ret->r, order, ctx))  in ecdsa_do_sign()
327 		if (!BN_mod_add_quick(s, tmp, m, order))  in ecdsa_do_sign()
332 		if (!BN_mod_mul(s, s, ckinv, order, ctx))  in ecdsa_do_sign()
366 	if (order)  in ecdsa_do_sign()
367 		BN_free(order);  in ecdsa_do_sign()
378 	BIGNUM   *order, *u1, *u2, *m, *X;  in ecdsa_do_verify()  local
398 	order = BN_CTX_get(ctx);	  in ecdsa_do_verify()
409 	if (!EC_GROUP_get_order(group, order, ctx))  in ecdsa_do_verify()
416 	    BN_ucmp(sig->r, order) >= 0 || BN_is_zero(sig->s)  ||  in ecdsa_do_verify()
417 	    BN_is_negative(sig->s)      || BN_ucmp(sig->s, order) >= 0)  in ecdsa_do_verify()
424 	if (!BN_mod_inverse(u2, sig->s, order, ctx))  in ecdsa_do_verify()
430 	i = BN_num_bits(order);  in ecdsa_do_verify()
448 	if (!BN_mod_mul(u1, m, u2, order, ctx))  in ecdsa_do_verify()
454 	if (!BN_mod_mul(u2, sig->r, u2, order, ctx))  in ecdsa_do_verify()
490 	if (!BN_nnmod(u1, X, order, ctx))  in ecdsa_do_verify()